package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;

public class Test2 {
    public static void main(String[] args) {
        UserInfo userInfo = InputUtil.getInputObject(new UserInfo(),"删除用户","删除");
        try (
                Connection connection = DBUtil.getConnection();
        ){
            String sql = "DELETE FROM userinfo " +
                    "WHERE username = ? ";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,userInfo.getUsername());

            int num = ps.executeUpdate();
            if (num > 0) {
                System.out.println("删除成功");
            }else {
                System.out.println("删除失败,文件已删除");
            }
        }catch (Exception e){
            e.printStackTrace();
        }
    }
}
